Shared VLAN Configuration Example 171Shared VLANConfigurationExampleNetwork Requirements ■ The selective QinQ feature is enabled on the hybrid port Ethernet2/0/6 which isconnected to the customer network. The outer tag of VLAN 4 is inserted topackets of VLAN 3 in the customer network, and these tagged packets aretransmitted to the service provider network through Ethernet2/0/15.■ Configure VLAN 100 as the shared VLAN on the module in slot 2 in order thatany packet returned by the service provider can be unicast to the customernetwork.Network Diagram Figure 49 Network diagram for Shared VLAN configurationConfiguration Procedure # Enable selective QinQ on Ethernet2/0/6. Refer to “Selective QinQ ConfigurationExample” on page 167 for the details.# Specify VLAN 100 as the shared VLAN on the module in slot 2. system-view[SW7750] vlan 100[SW7750-vlan100] quit[SW7750] shared-vlan 100 slot 2# Add the ports of all the packets forwarded on the module in slot 2 to VLAN 100.Refer to “Configuring a Port-Based VLAN” on page 97 for detailed configuration.Table 104 Display shared VLANOperation Command DescriptionDisplay the shared VLANsconfigured for all the I/OModules and Fabrics in thesystemdisplay shared-vlan You can execute thedisplay command in anyview.CustomerProviderEth2/0/6 (PVID=2)Eth2/0 /15VLAN 3VLAN 4
